High · published December 4, 2025
⚡ An out-of-bounds read vulnerability in libpng can let attackers peek into memory, potentially revealing sensitive data! 🔍 Think of it like a waiter spilling a bit of soup when pouring — the soup is still mostly in the bowl, but that little extra can cause a mess! In the case of libpng, valid PNG images with partial transparency and gamma correction spill over, revealing data from beyond the intended memory space. An attacker could exploit a specially crafted PNG file to read data up to 1012 bytes beyond the expected limit, potentially exposing sensitive information. This could lead to serious breaches, especially when handling images in sensitive applications!
Think of it like a waiter spilling a bit of soup when pouring — the soup is still mostly in the bowl, but that little extra can cause a mess! In the case of libpng, valid PNG images with partial transparency and gamma correction spill over, revealing data from beyond the intended memory space. This vulnerability arises from improper internal state management in libpng's API, specifically when processing valid PNG palette images. It allows reading beyond the allocated memory for the png_sRGB_base array, creating a window for potential information leaks.
An attacker could exploit a specially crafted PNG file to read data up to 1012 bytes beyond the expected limit, potentially exposing sensitive information. This could lead to serious breaches, especially when handling images in sensitive applications! Upgrade libpng to version 1.6.52 or later immediately to patch this vulnerability. Ensure that your application processes images safely and consider reviewing your image handling routines for other potential vulnerabilities. Don't forget to test thoroughly after the upgrade! You've got this! Update now and keep your data safe! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| libpng/libpng | < 1.6.52 | 1.6.52 |